一种褐藻胶寡糖,其特征是把它用作 抗 衰老和 抗 痴呆的药物.The present invention features the application of algin oligosaccharide in medicine for treating anti - senility and anti - dementia.褐藻胶裂解酶能裂解褐藻胶制备寡糖, 是一种重要的工具酶.Alginate lyase can degrade a...
However, the modulation - demodulation of ultraviolet and voice transmission are the key technologies.然而, 紫外光通信的 调制解调技术 以及语音传输是整个系统的关键难点.FM receiver through demodulation , the frequency signals into sound signals.调频接收机通过...